gdb/

[deliverable/binutils-gdb.git] / gdb / arm-tdep.c

diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index f83dc0e6c484dc44a313ccfa4bcd3a057165e0f7..568ace59396b53c3dacdc26e3fcf9628bbe6dfd0 100644 (file)
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -380,7 +380,6 @@ arm_find_mapping_symbol (CORE_ADDR memaddr, CORE_ADDR *start)
 int
 arm_pc_is_thumb (struct gdbarch *gdbarch, CORE_ADDR memaddr)
 {
-  struct obj_section *sec;
   struct minimal_symbol *sym;
   char type;
   struct displaced_step_closure* dsc
@@ -1285,7 +1284,7 @@ static CORE_ADDR
 arm_skip_stack_protector(CORE_ADDR pc, struct gdbarch *gdbarch)
 {
   enum bfd_endian byte_order_for_code = gdbarch_byte_order_for_code (gdbarch);
-  unsigned int address, basereg;
+  unsigned int basereg;
   struct minimal_symbol *stack_chk_guard;
   int offset;
   int is_thumb = arm_pc_is_thumb (gdbarch, pc);
@@ -1377,7 +1376,6 @@ arm_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
   unsigned long inst;
   CORE_ADDR skip_pc;
   CORE_ADDR func_addr, limit_pc;
-  struct symtab_and_line sal;
 
   /* See if we can determine the end of the prologue via the symbol table.
      If so, then return either PC, or the PC after the prologue, whichever
@@ -1536,7 +1534,6 @@ thumb_scan_prologue (struct gdbarch *gdbarch, CORE_ADDR prev_pc,
 {
   CORE_ADDR prologue_start;
   CORE_ADDR prologue_end;
-  CORE_ADDR current_pc;
 
   if (find_pc_partial_function (block_addr, NULL, &prologue_start,
                                &prologue_end))
@@ -3220,6 +3217,9 @@ arm_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
       else if ((insn & 0x0fff0000) == 0x08bd0000)
        /* POP (LDMIA).  */
        found_stack_adjust = 1;
+      else if ((insn & 0x0fff0000) == 0x049d0000)
+       /* POP of a single register.  */
+       found_stack_adjust = 1;
     }
 
   if (found_stack_adjust)
@@ -5132,7 +5132,7 @@ static gdb_byte *
 extend_buffer_earlier (gdb_byte *buf, CORE_ADDR endaddr,
                       int old_len, int new_len)
 {
-  gdb_byte *new_buf, *middle;
+  gdb_byte *new_buf;
   int bytes_to_read = new_len - old_len;
 
   new_buf = xmalloc (new_len);
@@ -5165,7 +5165,7 @@ arm_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr)
   gdb_byte *buf;
   char map_type;
   CORE_ADDR boundary, func_start;
-  int buf_len, buf2_len;
+  int buf_len;
   enum bfd_endian order = gdbarch_byte_order_for_code (gdbarch);
   int i, any, last_it, last_it_count;
 
@@ -6865,7 +6865,7 @@ cleanup_block_load_pc (struct gdbarch *gdbarch,
                       struct displaced_step_closure *dsc)
 {
   uint32_t status = displaced_read_reg (regs, dsc, ARM_PS_REGNUM);
-  int load_executed = condition_true (dsc->u.block.cond, status), i;
+  int load_executed = condition_true (dsc->u.block.cond, status);
   unsigned int mask = dsc->u.block.regmask, write_reg = ARM_PC_REGNUM;
   unsigned int regs_loaded = bitcount (mask);
   unsigned int num_to_shuffle = regs_loaded, clobbered;
@@ -8707,8 +8707,6 @@ static void
 arm_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
                               int *kindptr)
 {
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
   arm_breakpoint_from_pc (gdbarch, pcptr, kindptr);
 
   if (arm_pc_is_thumb (gdbarch, *pcptr) && *kindptr == 4)
@@ -9011,11 +9009,12 @@ arm_store_return_value (struct type *type, struct regcache *regs,
 /* Handle function return values.  */
 
 static enum return_value_convention
-arm_return_value (struct gdbarch *gdbarch, struct type *func_type,
+arm_return_value (struct gdbarch *gdbarch, struct value *function,
                  struct type *valtype, struct regcache *regcache,
                  gdb_byte *readbuf, const gdb_byte *writebuf)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+  struct type *func_type = function ? value_type (function) : NULL;
   enum arm_vfp_cprc_base_type vfp_base_type;
   int vfp_base_count;
 
@@ -9282,8 +9281,6 @@ static void
 arm_show_fallback_mode (struct ui_file *file, int from_tty,
                        struct cmd_list_element *c, const char *value)
 {
-  struct gdbarch_tdep *tdep = gdbarch_tdep (target_gdbarch);
-
   fprintf_filtered (file,
                    _("The current execution mode assumed "
                      "(when symbols are unavailable) is \"%s\".\n"),
@@ -9573,7 +9570,6 @@ arm_neon_quad_write (struct gdbarch *gdbarch, struct regcache *regcache,
                     int regnum, const gdb_byte *buf)
 {
   char name_buf[4];
-  gdb_byte reg_buf[8];
   int offset, double_regnum;
 
   sprintf (name_buf, "d%d", regnum << 1);